Electric Chain Hoist

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Benefits of Electric Chain Hoist

Increased productivity

An electric chain hoist can make lifting and moving weights from one place to another simple, thus is widely used for heavy-duty, medium-duty as well as light-duty applications. This helps workers spend less time adjusting the loads as no manual effort is needed when compared to the manual hoist reducing fatigue and helping boost productivity.

High load capacity

The electric motor is connected to the electric chain hoist. Therefore, compared to a manual hoist, a single person operating the sprocket set can only lift the hoist to a maximum height. 5 tons, while for electric chain hoists they can go up to 30 tons, powering the machines lifting capacity. In addition, electric chain hoists facilitate lateral movement and lift various loads more comfortably.

Durability

Electric chain hoist can serve you for several years if well maintained. A regular maintenance and inspection schedule helps to keep the machine in good shape, especially when frequently used. Both manual and hydraulic hoists are subject to a high rate of wear and tear.

Cost effective

Very little labor is involved when working with an electric chain hoist. This is because of the machines high carrying capacity and efficiency. It gives you significant savings on manpower over time. Along with the high-performance output, this makes it a cost effective investment.

Electric Chain hoist is a kind of light and small lifting equipment. Electric chain hoist consists of electric motor, transmission mechanism and chain wheel. Electric chain hoist all in accordance with international standards of production, the body of the beautiful appearance, strong and durable, the internal gears are all quenched at high temperature, increasing the wear resistance and toughness of the gears, the use of the most advanced international technology, fine workmanship, gears fit tightly. Electric chain hoist is widely used, mainly used in major factories, warehouses, wind power, logistics, wharves, construction and other industries, for lifting or loading and unloading of goods, but also can be lifted up to facilitate the work or repair of large machines. Electric chain hoist by the operator with buttons on the ground to follow the manipulation, can also be manipulated in the control room or using wired (wireless) remote control. Electric chain hoist can be fixed hanging use, but also can be distributed electric monorail trolley and hand push / hand pull monorail trolley walking use.

The weight of electric chain hoist is generally 0.1～60 tonnes, and the lifting height is 3～120 metres, the characteristics of electric chain hoist: advanced performance structure, small size, light weight, reliable performance, easy to operate, wide range of applications, it is very convenient for lifting heavy objects, loading and unloading work, maintenance equipment, lifting and transporting goods, and it can be mounted on the overhanging I-beam, curved rails, jib cranes and fixed lifting points for lifting and transporting heavy objects. Heavy load.

Electric chain hoist structure features: electric hoist product structure: the body selects high-strength tensile shell or die-casting aluminium shell, using thin-wall extrusion molding process precision manufacturing, small size, light weight, high strength. Standard electric chain hoist with independent gearbox system, sealed gearbox within the secondary coaxial transmission gear mechanism, using a long-life oil bath lubrication system. Electric hoist powder metallurgy clutch for overload protection device, braking using disc DC magnetic field braking, braking torque, smooth, rapid, low noise.

The electric chain hoist has a wide range of uses, mainly used in major factories, warehouses, wind power, logistics, wharves, construction and other industries, for lifting or loading and unloading of goods, but also can be lifted up to facilitate the work of heavy objects or repair of large machines. Electric chain hoist by the operator with buttons on the ground to follow the manipulation, can also be manipulated in the control room or using wired (wireless) remote control. Electric chain hoist can be fixed hanging use, but also can be distributed electric monorail trolley and hand push / hand pull monorail trolley walking use.

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Advanced equipment

Equipment based on the latest technological developments has higher efficiency, better performance and stronger reliability.

Rich experience

Our company has many years of production work experience. The concept of customer-oriented and win-win cooperation makes the company more mature and stronger.

After-sales service

The professional and thoughtful after-sales team makes you worry-free after-sales. Intimate service and strong after-sales team support.

Professional team

Our professional team collaborate and communicate effectively with one another, and are committed to delivering high-quality results. They are capable of handling complex challenges and projects that require their specialized expertise and experience.

Types of Electric Chain Hoist

Single Speed electric chain hoist
This type of hoist has a single speed motor that lifts the load at a fixed speed of 5-16 fpm (feet per minute). These hoists are perfect for simple applications where precise control over the load isn't necessary.

Dual Speed electric chain hoist
Dual speed chain hoist has a two-speed motor that offers different speed options for lifting different loads. You can operate the hoist at a lower speed for delicate or lighter loads and a higher speed for heavy loads.

Explosion-Proof electric chain hoist
These hoists are built to operate in hazardous environments where there is a risk of an explosion. They are often used in chemical plants, refineries, and other similar places where safety is critical.

Mini electric chain hoist
This type of hoist is compact and lightweight, often used in confined spaces or where heavy-duty lifting isn't required. Mini electric chain hoists are portable, making them ideal for construction sites and workshops.

When to Use Electric Chain Hoist?

Electric chain hoists are specialized machinery that are designed to lift and transport heavy loads. They are often used in the manufacturing, construction, and maintenance industries to help move heavy equipment and materials from one location to another. There are several situations where it is beneficial to use electric chain hoists. For one, they can easily handle heavy loads that are difficult or impossible to move by hand. They are also very efficient, allowing workers to move heavy loads quickly and efficiently, reducing the amount of time and effort required. They are designed with advanced safety features such as load limiters, emergency stop buttons, and overload protection systems, which help to prevent accidents and injuries in the workplace. Electric chain hoists are an excellent choice for any organization that needs to move heavy loads quickly, safely, and efficiently.

Which is Better Electric Chain Hoist or Electric Wire Rope Hoist?

The choice between an electric chain hoist and an electric wire rope hoist ultimately depends on the specific requirements of the lifting application. Electric chain hoists are generally more compact and lightweight compared to electric wire rope hoists. They are typically used for lifting applications with lower capacities and shorter lifting heights. Chain hoists are also typically more affordable and easier to maintain compared to wire rope hoists. If you require a hoist for lighter loads and shorter lifting heights, an electric chain hoist may be a better choice.

Could Electric Chain Hoists be Used in High Temperature Environments?

It depends on the specific electric chain hoist and its temperature rating. Electric chain hoists that are specifically designed for high temperature environments, such as those used in foundries or steel mills, are available and can operate safely in temperatures up to 300 degrees Fahrenheit. However, standard electric chain hoists are typically only rated for temperatures up to 104 degrees Fahrenheit and should not be used in high-temperature environments. With proper care, these hoists can operate effectively and safely in high temperature environments, helping users to get the job done even in challenging conditions.

Material of Electric Chain Hoist

The main materials used in electric chain hoists are steel, aluminum, and plastic. The chain itself is typically made of hardened steel while the housing, drum, hooks, and other components can be made of any of the three materials depending on the intended use and load capacity of the hoist. Steel offers durability and strength, aluminum is lightweight and resistant to corrosion, and plastic is lightweight and inexpensive, making it suitable for smaller, lighter loads. Ultimately, the material used will depend on the specific needs of the user and the environment in which the hoist will be used.

Application of Electric Chain Hoist

Construction industry
Electric chain hoists are often used on construction sites to lift and move heavy construction materials such as concrete blocks and steel beams. Also used in cement bags and construction tools.

Manufacturing industry
In manufacturing, electric chain hoists are used to lift heavy industrial equipment, machinery and parts. They move raw materials and finished goods between workstations. They are often used to transport heavy components on assembly lines.

Warehouse industry
In warehouses, electric chain hoists are used for lifting and moving heavy pallets, crates, and other containers. They are also used in material handling systems for loading and unloading trucks and containers.

Mining industry
Electric chain hoists are used in various applications in the mining industry, including lowering and lifting heavy machinery, tools, and equipment into mines, transporting raw materials and supplies.

Components of Electric Chain Hoist

An electric chain hoist is a lifting device consisting of a few components. The most important components are an electric hoist motor, a gearbox, a drive wheel for the chain, the so-called chain sprocket, the chain with hook and the operating unit.

How do you Maintain an Electric Chain Hoist?

Clean the chain by removing any foreign material such as dirt and grease and inspect the chain for wear using a gauge. Slack the chain and observe if wear exists at the interlink bearing surface between the links. Inspect the chain for gouges, nicks, arc burns, twisted, bent, worn, or damaged links.

Safety Measures or Precautions While Using Electric Chain Hoist

Avoid using the hoist above its lifting capacity
Every electric chain hoist has a specified safe working load capacity to lift weights, which means that when operating an electric chain hoist, it is important to ensure that the SWL limit should not be crossed at any cost.

Never ride on loads
Operators or workers of the manufacturing unit should never ride on the load when lifted with the load. This will add extra pressure to the machinery, which might result in malfunctioning. If that happens, there are not only chances of the worker getting injured, but machines will also suffer damage.

Proper positioning of load
When operating an electric chain hoist, it’s essential to check the positioning of the load. The load should be vertically placed under the hoist and there should not be angular lifting done by the hoist as it can damage the internal components of the hoist. Therefore, before hoisting loads, ensure they are positioned and attached properly to the hook.

The right way of operating limit switch
One of the most common mistakes made by electric chain hoist operators is the frequent use of limit switches. This can cause localized wear and damage to the limit switch. Limit switches are for emergency use and are not suitable for regular use. Regular use of them may cause the internal functions of the hoist to be disrupted.

Working Principle of Electric Chain Hoist

Electric chain hoists use a load chain as the lifting medium. The load chain is pulled by a motor that converts electrical energy to mechanical energy used to lift the load. The electric hoist motor is housed inside a heat-dissipating shell, which is typically made from aluminum. The hoist motor is equipped with a cooling fan to dissipate heat quickly during its continuous service and to enable its operation in hot environments.
An electric chain hoist is suspended above the object to be lifted by hooking or mounting it on a rigid structural frame. A hook is attached to the end of the load chain that grabs the object. To commence the lifting operation, the worker switches on the hoist motor. The motor is incorporated with a brake; the brake is responsible for stopping the motor or holding its driven load by applying the necessary torque. The power supply is continuously released by the break during the vertical displacement of the load.

What Safety Mechanisms are There for Electric Chain Hoists?

The most important safety mechanisms on an electric chain hoist are a slipping clutch and so-called hoist limit switches. The slipping clutch prevents the chain hoist from being overloaded. Lift limit switches automatically switch off the motor when the end of the chain reaches either the upper or lower stop.

What is The Purpose of a Load Spectrum Recorder for Electric Chain Hoists?

In the load spectrum recorder, the load of an electric chain hoist is stored so that it can be evaluated. This data storage is of particular importance with regard to the determination of the already consumed share of the theoretically determined total service life for the electric chain hoist of this type in accordance with FEM and DGUV regulation 55.

Choosing a Reliable Electric Chain Hoist

Lifting speed

You need to calibrate it for the successful loading and unloading process of materials.

Work environment

Certain factory environments can cause wear and tear on machinery. For example, under very high temperature conditions, a hoist may begin to malfunction. Likewise, extremely low temperatures can cause cracks and freezing issues in internal parts. Frequent fluctuations in temperature are another risk for systems that may be at risk of short circuits.

Lifting height

How high to lift the load. This factor is very important in choosing the right hoist model. There is a container with an electric hoist. Increased height means longer chains and larger containers. However, too many large containers can become an obstacle to the loading process.

Working life

Indicates the lifespan of the hoist. This factor is related to longevity. So the duty cycle length is one of the important things because the system has to dissipate the heat from the generator.

What is The Maximum Lifting Height of An Electric Chain Hoist?

The maximum lifting height of an electric chain hoist is dependent on several factors, including the weight capacity of the hoist and the length of the chain. A standard chain hoist typically lifts up to 10 feet for manual chain hoists and 10 to 20 feet for electric chain hoists. It is important to note that as lifting height increases, the maximum weight capacity of the hoist may decrease. Customizable chain lengths can extend these heights based on specific needs, ensuring versatility in diverse applications.

How Does An Electric Chain Hoist Compare To a Manual Hoist?

Lifting capacity
An electric chain hoist typically has a higher lifting capacity than a manual hoist. With an electric hoist, you can lift heavy loads weighing hundreds or even thousands of pounds with minimal effort.

Speed
An electric chain hoist is much faster than a manual hoist. With an electric hoist, you can lift and lower loads at the touch of a button, making the process much quicker and more efficient.

Safety
An electric chain hoist is much safer than a manual hoist. An electric hoist is designed with safety features such as automatic brakes and overload protection to prevent accidents and ensure that the load is lifted safely.

Ease of use
An electric chain hoist is much easier to use than a manual hoist. With an electric hoist, you don't have to strain yourself to lift heavy loads. Instead, you can simply press a button to lift and lower the load.

Maintenance
An electric chain hoist requires less maintenance than a manual hoist. With an electric hoist, you don't have to worry about lubricating the chain or replacing worn-out parts as often as you would with a manual hoist.

What is The Maximum Working Load of An Electric Chain Hoist?

The maximum working load of an electric chain hoist depends on its design and specifications, including the capacity of the motor, the size and strength of the chain, and the construction of the unit. Electric chain hoists can lift weight around 50 to 10,000 kgs heavier than manual hoists. As these hoists can carry heavier loads, they improve the effectiveness of the entire operation, too. It is important to always consult the specifications and guidelines for the specific electric chain hoist being used to ensure that the working load does not exceed the rated capacity and to ensure safe and efficient operation.

Are There Any Additional Accessories Available For Electric Chain Hoists?

There are several additional accessories available for electric chain hoists. Some common accessories include pendant controls, wire rope kits, limit switches, trolleys, and load cells. Pendant controls allow the operator to control the hoist remotely, while wire rope kits provide added flexibility for lifting applications. Limit switches are used for safety purposes to prevent the hoist from overtraveling. Trolleys are used to move the hoist along the beam, and load cells measure the weight of the load being lifted. These accessories can provide added functionality and safety to electric chain hoists.

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FAQ

Q: What is an electric chain hoist?

A: An electric chain hoist is a device used for lifting and moving heavy loads vertically or horizontally using a chain. It is powered by electricity and features a motor-driven pulley system that lifts and lowers the load with ease.

Q: What is the working principle of electric chain hoist?

A: Electric chain hoists use a load chain as the lifting medium. The load chain is pulled by a motor that converts electrical energy to mechanical energy used to lift the load. The electric hoist motor is housed inside a heat-dissipating shell, which is typically made from aluminum.

Q: Why is my electric chain hoist going up but not down?

A: Hoist has been loaded with excessive load. Open lowering circuit or shorted winding in reversing contactor coil. Loose connection or broken wire in circuit. Control station contacts not working properly.

Q: How do you maintain an electric chain hoist?

A: Clean the chain by removing any foreign material such as dirt and grease and inspect the chain for wear using a gauge. Slack the chain and observe if wear exists at the interlink bearing surface between the links. Inspect the chain for gouges, nicks, arc burns, twisted, bent, worn, or damaged links.

Q: What are the advantages of electric chain hoists over manual chain hoists?

A: Electric chain hoists are more convenient and efficient than manual chain hoists. They require less physical effort to operate, are faster and more precise, and are ideal for heavier loads. They are also safer, as they have built-in safety features that prevent overloading or tilting.

Q: What is the weight capacity of an electric chain hoist?

A: Electric chain hoists come in various weight capacities ranging from 125kg to over 30 tons. The weight capacity of the hoist required depends on the weight of the load being lifted and the application.

Q: What are the different types of electric chain hoists?

A: There are two types of electric chain hoists: single phase and three-phase hoists. Single-phase hoists are used for lighter loads, while three-phase hoists are suitable for heavier loads.

Q: What factors should I consider when choosing an electric chain hoist?

A: When choosing an electric chain hoist, you should consider the weight of the load, the distance the load needs to be moved, and your budget. You should also consider the quality and reliability of the hoist, the safety features, and the level of control you need.

Q: Can I use an electric chain hoist outdoors?

A: Yes, electric chain hoists are designed to be used both indoors and outdoors. However, you should ensure that the hoist is rated for outdoor use and that it is protected from the elements.

Q: How do I maintain my electric chain hoist?

A: Regular maintenance is essential to keep your electric chain hoist in good working condition. You should inspect it regularly for worn or damaged parts, keep it lubricated, and ensure that it is stored properly when not in use. It is also essential to follow the manufacturer's instructions for maintenance and repair.

Q: What safety precautions should I take when using an electric chain hoist?

A: Before using an electric chain hoist, inspect the hoist and lifting equipment to ensure that they are in good condition. Make sure that the load is securely attached to the hoist, and that the hoist is rated to lift the weight of the load. Use appropriate personal protective equipment, and never stand under a suspended load. Always follow the manufacturer's instructions for safe operation.

Q: What safety features are included with electric chain hoists?

A: Electric chain hoists typically include safety features such as overload protection, emergency stop buttons, and limit switches to prevent the hoist from traveling beyond its intended range.

Q: What are the most common applications for electric chain hoists?

A: Electric chain hoists are suitable for a wide range of applications, including manufacturing industries, warehouses, construction sites, and more. They can be used to lift and move heavy loads such as machines, engines, tools, scaffolding, and building materials.

Q: Can electric chain hoists be customized to fit specific applications?

A: Yes, electric chain hoists can be customized to fit specific applications. Different lifting heights, lifting speeds, and load capacities can be accommodated by selecting the appropriate hoist model.

Q: What are some of the common features of an electric chain hoist?

A: Some of the common features of an electric chain hoist include variable speed control, overload protection, an emergency stop button, and a pendant control.

Q: Are electric chain hoists easy to operate?

A: Yes, electric chain hoists are generally easy to operate. They come with a pendant control that allows the operator to easily control the lifting speed and direction.

Q: Can electric chain hoists be operated remotely?

A: Yes, electric chain hoists can be operated remotely using a pendant, allowing the operator to control the hoist without needing to be close to it.

Q: How does an electric chain hoist work?

A: An electric chain hoist has an electric motor that powers the motion of the hoist. The motor drives a chain that is attached to the load being lifted. The chain passes through a series of pulleys that help in reducing the resistance and applies the force necessary for lifting the load.

Q: What are the safety features of an electric chain hoist?

A: An electric chain hoist has a range of safety features that ensure it is safe to use. These include overload protection, emergency stop buttons, limit switches, thermal protection, and brake systems.

Q: How long do electric chain hoists last?

A: The lifespan of an electric chain hoist depends on the frequency of use and the conditions in which it is used. With proper maintenance and care, electric chain hoists can last for many years.

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